#!/usr/bin/env bash

working_dir="$(dirname $(realpath $0))"
conf_file="${working_dir}/conf/update_git_repositories.conf"

log_file="$(mktemp)"

#---------------------------------------
#-----------------------------
# Some functions
#-----------------------------
#---------------------------------------

clean_up() {

   # Perform program exit housekeeping
   rm $log_file
   blank_line
   exit $1
}
echononl(){
   if $terminal ; then
      echo X\\c > /tmp/shprompt$$
      if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
         echo -e -n "[ \033[5m\033[1m...\033[m ]\033[13G$*\\c" 1>&2
      else
         echo -e -n "[ \033[5m\033[1m...\033[m ]\033[13G$*" 1>&2
      fi
      rm /tmp/shprompt$$
   fi
}

error(){
   blank_line
   if $terminal ; then
      echo -e "  [ \033[31m\033[1mFehler\033[m ]: $*"
   else
      echo ""
      echo "[ Error ]: $*"
      echo ""
   fi
   blank_line
}

echo_done() {
   if $terminal ; then
      echo -e "\033[1G[ \033[1;32mdone\033[m ]"
   fi
}
echo_ok() {
   if $terminal ; then
      echo -e "\033[1G[ \033[1;32mok\033[m ]"
   fi
}
echo_ignore() {
   if $terminal ; then
      echo -e "\033[1G[ \033[1;33mignore\033[m ]"
   fi
}
echo_warning() {
   if $terminal ; then
      echo -e "\033[1G[ \033[1;33m\033[1mwarn\033[m ]"
   fi
}
echo_failed(){
   if $terminal ; then
      echo -e "\033[1G[ \033[1;31mfail\033[m ]"
   fi
}
echo_skipped() {
   if $terminal ; then
      echo -e "\033[1G[ \033[1;37mskip\033[m ]"
   fi
}
echo_wait(){
   if $terminal ; then
      echo -en "\033[1G[ \033[5m\033[1m...\033[m ]"
   fi
}
blank_line() {
   if $terminal ; then
      echo ""
   fi
}


# =============
# --- Jobhandling
# =============

# - Run 'clean_up' for signals SIGHUP SIGINT SIGTERM
# -
trap clean_up SIGHUP SIGINT SIGTERM


# =============
# --- Some Checks
# =============

# - Running in a terminal?
# -
if [[ -t 1 ]] ; then
   terminal=true
else
   terminal=false
fi



#---------------------------------------
#-----------------------------
# Read Configurations from $conf_file
#-----------------------------
#---------------------------------------

if [[ -f "$conf_file" ]]; then
   source "$conf_file"
fi

[[ -z "$GIT_BASE_DIRECTORIES" ]] && GIT_BASE_DIRECTORIES="/usr/local/src /root/bin /root/crontab"



if $terminal ; then
   echo ""
   echo ""
   echo -e "\033[13G\033[33mUpdate GIT repositories..\033[m"
   echo ""
fi


for _git_base_dir in $GIT_BASE_DIRECTORIES ; do
   blank_line

   [[ ! -d "${_git_base_dir}" ]] && continue

   for _dir in $(ls ${_git_base_dir}/) ; do
      [[ ! -d "${_git_base_dir}/$_dir" ]] && continue
      [[ ! -d "${_git_base_dir}/${_dir}/.git" ]] && continue
      [[ "$_dir" = "bash" ]] && continue
      echononl "Update Repository \033[1m$(basename $_dir)\033[m.."
      #if [[ "$_dir" = "dehydrated-cron" ]]; then
      #   echo_skipped
      #   warn "Update this repository manually, because username and password\n\t             is needed."
      #else
         git -C "${_git_base_dir}/${_dir}" pull > $log_file 2>&1
         if [[ $? -eq 0 ]] ; then
            echo_done
         else
            echo_failed
            error "$(cat $log_file)"
         fi
      #fi
   done
done

#if [[ -d "/root/crontab/backup-rcopy" ]]; then
#   blank_line
#   echononl "Update Repository \033[1mbackup-rcopy\033[m.."
#   git -C "/root/crontab/backup-rcopy" pull > $log_file 2>&1
#   if [[ $? -eq 0 ]] ; then
#      echo_done
#   else
#      echo_failed
#      error "$(cat $log_file)"
#   fi
#fi

blank_line
clean_up